Linux AntiSpoofing method

寫個簡單的script來做吧! 這樣會套用到所有的interface上.

#!/bin/bash
for i in /proc/sys/net/ipv4/conf/*/rp_filter
do
echo 1 > "$i"
echo "$i"
cat `echo "$i"`
done

參考: OReilly.LPI.Linux.Certification.in.a.Nutshell.2nd.Edition